package com.wcj.tree;

public class AVLTreeNode {
     public int val;
     public AVLTreeNode left;
     public AVLTreeNode right;
     public int height;
     public AVLTreeNode() {}
     public AVLTreeNode(int val) { this.val = val; }
     public AVLTreeNode(int val, AVLTreeNode left, AVLTreeNode right) {
         this.val = val;
         this.left = left;
         this.right = right;
     }
 }